From be2e0f24969d87558e873a6e75277330875497b8 Mon Sep 17 00:00:00 2001
From: Evgeni Burovski <evgeny.burovskiy@gmail.com>
Date: Wed, 4 Jun 2025 11:26:46 +0200
Subject: [PATCH] MAINT: print relevant environment variables in the pytest
 header

The goal is to make it marginally easier to catch typos like
ARRAY_API_*** instead of ARRAY_API_TESTS_***
---
 conftest.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/conftest.py b/conftest.py
index 05baebc1..dc50c9ae 100644
--- a/conftest.py
+++ b/conftest.py
@@ -27,7 +27,12 @@ def pytest_report_header(config):
     except AttributeError:
         array_module_version = "version unknown"
 
-    return f"Array API Tests Module: {xp_name} ({array_module_version}). API Version: {api_version}. Enabled Extensions: {', '.join(enabled_extensions)}"
+    # make it easier to catch typos in environment variables (ARRAY_API_*** instead of ARRAY_API_TESTS_*** etc)
+    env_vars = "\n".join([f"{k} = {v}" for k, v in os.environ.items() if 'ARRAY_API' in k])
+    env_vars = f"Environment variables:\n{'-'*22}\n{env_vars}\n\n"
+
+    header1 = f"Array API Tests Module: {xp_name} ({array_module_version}). API Version: {api_version}. Enabled Extensions: {', '.join(enabled_extensions)}"
+    return env_vars + header1
 
 def pytest_addoption(parser):
     # Hypothesis max examples